Percent increase and decrease

Front

What is percent increase?

Back

Percent increase is a measure of how much a quantity has grown compared to its original amount, expressed as a percentage.

Front

What is percent decrease?

Back

Percent decrease is a measure of how much a quantity has shrunk compared to its original amount, expressed as a percentage.

Front

How do you calculate percent change?

Back

Percent change is calculated using the formula: ((New Value - Old Value) / Old Value) x 100.

Front

Find the percent of change from 20 miles to 11 miles.

Back

45% decrease.

Front

Susie got a raise from $8.75 to $9.50. What is the percent of change?

Back

9% Increase.

Front

Find the percent of change from 24 teachers to 30 teachers.

Back

25% increase.

Front

Mary lost 30 pounds from 180 pounds. What is the percent of change?

Back

17% Decrease.

Front

Lacey bought a purse that cost $25 and is now $15. Find the percent of change in price.

Back

Decrease of 40%.

Front

What does a 100% increase mean?

Back

A 100% increase means the new value is double the original value.

Front

What does a 50% decrease mean?

Back

A 50% decrease means the new value is half of the original value.